Question 1

Most solids are

Accepted Answer

A)  amorphous.
B)  crystalline.
C)  covalent.
D)  polar.E) A) and B)
F) A) and C)

Question 2

The formula for iron(II)  hydroxide is

Accepted Answer

A)  FeOH.
B)  Fe2OH.
C)  Fe(OH) 2.
D)  Fe2(OH) 2.E) C) and D)
F) A) and B)

Question 3

An insoluble solid that results from a chemical reaction is called

Accepted Answer

A)  a solute.
B)  a colloid.
C)  an electrolyte.
D)  a precipitate.E) A) and D)
F) None of the above

Question 4

The chloride ion Cl- is

Accepted Answer

A)  less reactive than the chlorine molecule Cl2.
B)  more reactive than the chlorine molecule Cl2.
C)  equal in reactivity to the chlorine molecule Cl2.
D)  Any of these choices could be correct, depending on the temperature.E) A) and B)
F) C) and D)

Question 5

At room temperature and atmospheric pressure, ammonia is a

Accepted Answer

A)  gas whose formula is NH3.
B)  liquid whose formula is NH3.
C)  gas whose formula is NH4.
D)  liquid whose formula is NH4.E) A) and C)
F) None of the above

Question 6

The individual particles in a metal are held together as a result of

Accepted Answer

A)  electron transfer between adjacent atoms.
B)  electron sharing between adjacent atoms.
C)  the attraction of polar molecules.
D)  a sea of freely moving electrons.E) A) and B)
F) A) and C)

Question 7

A solution of ammonia, NH3, in water is

Accepted Answer

A)  acidic.
B)  basic.
C)  neutral.
D)  Any of these choices could be correct, depending on the concentration.E) A) and D)
F) B) and C)

Question 8

With increasing temperature, the solubility of a gas in a liquid

Accepted Answer

A)  decreases.
B)  increases.
C)  remains the same.
D)  Any of these choices could be correct, depending on the particular gas and liquid.E) A) and B)
F) B) and C)

Question 9

Bases do not

Accepted Answer

A)  taste bitter.
B)  turn red litmus to blue.
C)  liberate H2 when mixed with an active metal.
D)  produce OH- ions in water solution.E) B) and D)
F) A) and D)

Question 10

A solution of carbon dioxide, CO2, in water is

Accepted Answer

A)  acidic.
B)  basic.
C)  neutral.
D)  Any of these choices could be correct, depending on the concentration.E) C) and D)
F) A) and C)

Question 11

Pure water has a pH of

Accepted Answer

A)  0.
B)  1.
C)  7.
D)  10.E) C) and D)
F) B) and C)

Question 12

When dissolved in water, which one or more of the following compounds gives rise to a basic solution?

Accepted Answer

A)  calcium hydroxide, Ca(OH) 2
B)  washing soda, Na2CO3
C)  methanol, CH3OH
D)  copper sulfate, CuSO4
E)  Both A and BF) A) and D)
G) C) and E)

Question 13

A solid whose particles are irregularly arranged with no definite pattern is said to be

Accepted Answer

A)  a van der Waals solid.
B)  nonpolar.
C)  amorphous.
D)  unsaturated.E) A) and D)
F) A) and C)

Question 14

The individual particles in an ionic solid are held together as a result of

Accepted Answer

A)  electron transfer between adjacent molecules.
B)  electron sharing between adjacent atoms.
C)  the attraction of polar molecules.
D)  a sea of freely moving electrons.E) C) and D)
F) All of the above

Question 15

Dissolving an electrolyte in water results in the formation of

Accepted Answer

A)  polar molecules.
B)  covalent molecules.
C)  ions.
D)  a precipitate.E) A) and D)
F) None of the above

Question 16

Ionic crystals dissolve only in liquids that are

Accepted Answer

A)  polar.
B)  nonpolar.
C)  saturated.
D)  supersaturated.E) B) and D)
F) None of the above

Question 17

All forms of solid carbon

Accepted Answer

A)  are amorphous.
B)  are crystalline.
C)  are held together only by covalent bonds.
D)  conduct electricity well.E) None of the above
F) B) and C)

Question 18

Pure acids in the liquid state consist of

Accepted Answer

A)  neutral molecules.
B)  H+ ions and neutral molecules.
C)  H+ ions and negative ions.
D)  H+ and OH- ions.E) A) and C)
F) A) and D)

Question 19

The fundamental reaction of neutralization is

Accepted Answer

A)  H+ + H2O  →\rarr→  H3O+.
B)  H2O  →\rarr→ H+ + OH-.
C)  H+ + OH-  →\rarr→  H2O.
D)  H2O + H2O  →\rarr→  H3O+ + OH-. E) B) and C)
F) A) and D)

Question 20

The individual particles in a molecular solid are held together as a result of

Accepted Answer

A)  electron transfer between adjacent atoms.
B)  electron sharing between adjacent atoms.
C)  the attraction of polar molecules.
D)  a sea of freely moving electrons.E) A) and B)
F) None of the above

Exam 11: Crystals, Ions, and Solutions

When dissolved in water, which one or more of the following compounds gives rise to a basic solution?

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A solid whose particles are irregularly arranged with no definite pattern is said to be

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Dissolving an electrolyte in water results in the formation of

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Most solids are

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An insoluble solid that results from a chemical reaction is called

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The fundamental reaction of neutralization is

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The individual particles in an ionic solid are held together as a result of

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All forms of solid carbon

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A solution of ammonia, NH3, in water is

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The individual particles in a metal are held together as a result of

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At room temperature and atmospheric pressure, ammonia is a

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The chloride ion Cl- is

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The individual particles in a molecular solid are held together as a result of

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Bases do not

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Ionic crystals dissolve only in liquids that are

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Pure acids in the liquid state consist of

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The formula for iron(II) hydroxide is

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With increasing temperature, the solubility of a gas in a liquid

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Pure water has a pH of

Correct AnswerverifiedShow Answer

A solution of carbon dioxide, CO2, in water is

Correct AnswerverifiedShow Answer

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A solution of ammonia, NH₃, in water is

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The chloride ion Cl^- is

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A solution of carbon dioxide, CO₂, in water is

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